I could feign you could feign she could feign we could feign you could feign they could feign
V-ing form
I could be feigning you could be feigning she could be feigning we could be feigning you could be feigning they could be feigning
Perfect
I could have feigned you could have feigned she could have feigned we could have feigned you could have feigned they could have feigned
V-ing perfect
I could have been feigning you could have been feigning she could have been feigning we could have been feigning you could have been feigning they could have been feigning
Negation
Simple form
I could not feign you could not feign she could not feign we could not feign you could not feign they could not feign
V-ing form
I could not be feigning you could not be feigning she could not be feigning we could not be feigning you could not be feigning they could not be feigning
Perfect
I could not have feigned you could not have feigned she could not have feigned we could not have feigned you could not have feigned they could not have feigned
V-ing perfect
I could not have been feigning you could not have been feigning she could not have been feigning we could not have been feigning you could not have been feigning they could not have been feigning
Interrogative form
Simple form
could I feign? could you feign? could she feign? could we feign? could you feign? could they feign?
V-ing form
could I be feigning? could you be feigning? could she be feigning? could we be feigning? could you be feigning? could they be feigning?
Perfect
could I have feigned? could you have feigned? could she have feigned? could we have feigned? could you have feigned? could they have feigned?
V-ing perfect
could I have been feigning? could you have been feigning? could she have been feigning? could we have been feigning? could you have been feigning? could they have been feigning?
Interro-negative form
Simple form
could I not feign? could you not feign? could she not feign? could we not feign? could you not feign? could they not feign?
V-ing form
could I not be feigning? could you not be feigning? could she not be feigning? could we not be feigning? could you not be feigning? could they not be feigning?
Perfect
could I not have feigned? could you not have feigned? could she not have feigned? could we not have feigned? could you not have feigned? could they not have feigned?
V-ing perfect
could I not have been feigning? could you not have been feigning? could she not have been feigning? could we not have been feigning? could you not have been feigning? could they not have been feigning?